Quick answers
- Which hospitals does Michael Manansala work at?
- Medicare's official clinician data lists Michael Manansala at 5 hospitals: Alta Bates Summit Medical Center, Alta Bates Summit Medical Center - Alta Bates Camp…, Eden Medical Center, Stanford Health Care and Sutter Medical Center, Sacramento. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael Manansala see patients?
- Medicare's clinician data lists 9 practice locations, including Castro Valley, CA, Berkeley, CA and Fremont, CA. Call before your visit to confirm the address.
- What is Michael Manansala's specialty?
- Medicare lists Rheumatology as the primary specialty.
- Does Michael Manansala accept Medicare assignment?
- Yes. Medicare's clinician data says Michael Manansala accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Michael Manansala offer telehealth?
- Medicare's clinician data says Michael Manansala offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michael Manansala?
- (510) 886-3400, as listed in official Medicare / NPI Registry data.
- What is Michael Manansala's NPI number?
- 1841665411. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael Manansala works
Medicare's Facility Affiliation Data lists Michael Manansala at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alta Bates Summit Medical CenterOakland, CA · Acute Care Hospital · CCN 050043
- Alta Bates Summit Medical Center - Alta Bates Camp…Berkeley, CA · Acute Care Hospital · CCN 050305
- Eden Medical CenterCastro Valley, CA · Acute Care Hospital · CCN 050488
- Stanford Health CareStanford, CA · Acute Care Hospital · CCN 050441
- Sutter Medical Center, SacramentoSacramento, CA · Acute Care Hospital · CCN 050108
Practice locations
Addresses where Michael Manansala is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 20101 Lake Chabot RdCastro Valley, CA 94546 (510) 886‑3400
- 20103 Lake Chabot RdCastro Valley, CA 94546 (510) 727‑3256
- 2450 Ashby AveBerkeley, CA 94705
- 2450 Ashby Ave, Rm 5505Berkeley, CA 94705 (510) 204‑4444
- 2999 Regent St, Suite 301Berkeley, CA 94705 (510) 204‑8120
Group practices
Medicare enrollment lists Michael Manansala as a member of this group (CMS data updated 2026-10-02).
- Sutter Bay Medical Foundation3,829 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1841665411 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians